Why Isn't My Spring Boot Application Auto-Creating the Database Schema?

Unable to Auto-Create Database Schema with Spring Boot

Spring Boot provides a seamless way to create database schema automatically. However, if you encounter issues with this process, here are some potential causes and their solutions:

Incorrect Package Organization

Ensure that your entity classes are located in the same package or a sub-package of the package containing the class with the @EnableAutoConfiguration annotation. If they are not, Spring Boot will not detect them and will fail to create the schema.

Configuration Issues

Verify the configuration in your application.properties file. Some Hibernate-specific options you have used may be causing the issue. Replace them with the following:

spring.jpa.database-platform=org.hibernate.dialect.MySQL5InnoDBDialect
spring.jpa.hibernate.ddl-auto=update
spring.datasource.driverClassName=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3306/test
spring.datasource.username=test
spring.datasource.password=

Note that manually specifying the driver class is unnecessary as it is automatically registered by Spring Boot.

Application.properties Placement

The application.properties file must be located in the src/main/resources folder for it to be loaded by Spring Boot.

Incorrect Database Dialect

If the database dialect is not specified correctly, Spring Boot may try to default to an in-memory database bundled with the framework. Verify that the dialect is configured for your specific database system (in your case, MySQL).

By addressing these potential issues, you should be able to enable Spring Boot to automatically create your database schema when you start your application.

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